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CVE-2026-71854— OpenAEV has unauthenticated access and missing object-level authorization on player lessons API

Quick assessment

Affected
OpenAEV-Platform openaev
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenAEV 是一个开源平台，允许组织规划、安排和执行网络对抗模拟演练及测试。在版本 2.260622.0 之前，默认安装情况下， 课程端点可在未经身份验证的情况下被调用，并且系统信任客户端提供的 查询参数，而不会验证调用者是否确实为该用户或属于相关演练的成员。已知演练 UUID 的未授权客户端可以读取“经验教训”问题及答案（包括每个答案的作者身份），并创建或覆盖以任意用户名义提交的答案。版本 2.260622.0 已包含修复补丁。

CVSS 8.2 · High
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I. Basic Information for CVE-2026-71854

Vulnerability Information
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Vulnerability Title
OpenAEV has unauthenticated access and missing object-level authorization on player lessons API
Source: CVE Program / CVE List V5
Vulnerability Description
OpenAEV is an open source platform allowing organizations to plan, schedule and conduct cyber adversary simulation campaign and tests. Prior to version 2.260622.0, on a default installation, the `/api/player/**` lessons endpoints can be called without authentication, and they trust a client-supplied `userId` query parameter without verifying that the caller is that user or a member of the exercise. An unauthenticated client that knows an exercise UUID can read lessons-learned questions and answers (including each answer's author identity) and create or overwrite answers attributed to an arbitrary user. Version 2.260622.0 contains a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenAEV-Platform openaev < 2.260622.0 -

II. Public POCs for CVE-2026-71854

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III. Intelligence Information for CVE-2026-71854

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Other References for CVE-2026-71854 (1)

IV. Related Vulnerabilities

Same product: openaev
Same vendor: OpenAEV-Platform
Same weakness: CWE-306

V. Comments for CVE-2026-71854

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